Nearly all life on Earth ultimately gets its energy from the sun, which gets "its"energy through nuclear fusion. <span>With the exception of hydrogen, all of the chemical elements needed for life were produced by nuclear fusion of lighter elements, either in the cores of stars or in the shock waves of supernova explosions.</span>
Gymnosperms have pollen but no flowers.
<span>D. The tiger would not be able to keep running</span>
The survival development and also the evolutionary development
